Revert 219146 "[sync] Force re-auth during sync setup if Oauth2 ..."

trunk/src/chrome/browser/signin/profile_oauth2_token_service.cc

Index: trunk/src/chrome/browser/signin/profile_oauth2_token_service.cc
===================================================================
--- trunk/src/chrome/browser/signin/profile_oauth2_token_service.cc	(revision 221034)
+++ trunk/src/chrome/browser/signin/profile_oauth2_token_service.cc	(working copy)
@@ -155,15 +155,6 @@
       break;
     }
     case chrome::NOTIFICATION_TOKEN_LOADING_FINISHED:
-      // During startup, if the user is signed in and the OAuth2 refresh token
-      // is empty, flag it as an error by badging the menu. Otherwise, if the
-      // user goes on to set up sync, they will have to make two attempts:
-      // One to surface the OAuth2 error, and a second one after signing in.
-      // See crbug.com/276650.
-      if (!GetAccountId(profile_).empty() && GetRefreshToken().empty()) {
-        UpdateAuthError(GoogleServiceAuthError(
-            GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS));
-      }
       FireRefreshTokensLoaded();
       break;
     default: